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The arithmetic mean of the numbers 1, 2,...

The arithmetic mean of the numbers 1, 2, 3, ...., n is

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If the arithmetic mean of the numbers x_1, x_2, x_3, ..., x_n is barx, then the arithmetic mean of the numbers ax_1 +b, ax_2 +b, ax_3 +b, ....,ax_n +b, where a, b are two constants, would be

The arithmetic mean of 1, 2, 3, ……., n is___

The geometric mean of number 7, 7^2, 7^3,…..,7^n is

If the mean of the set of numbers x_1,x_2, x_3, ..., x_n is barx, then the mean of the numbers x_i+2i, 1 lt= i lt= n is

Geometric mean of the numbers 2, 2^2, 2^3, ….,2^(n) numbers is

The arithmetic mean of two numbers is 10 and their geometric mean is 8. find the numbers.

The arithmetic mean of two positive numbers is 6 and their geometric mean G and harmonic mean H satisfy the relation G^(2)+3H=48 . Then the product of the two numbers is

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If the arithmetic mean of two numbers be 10 and their harmonic mean is 7.5 , then what are two numbers ?

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CENGAGE PUBLICATION-PROBABILITY-All Questions
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  2. The probability of getting 9 dots with two unbiased dice is

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  6. Mean of first n natural numbers is

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  10. A fair coin is tossed repeatedly. If tail appears on first four tos...

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  11. A die is rolled thrice, find the probability of getting a larger nu...

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  13. A and B are two independent events such that P(A^C) = 0.7, P(B) = k an...

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  14. A and B are mutually independent implies P(AIB) = P(A).

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  15. The probability that at least one of the events Aa n dB occurs is 0.6....

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  16. For two given events Aa n dB ,P(AnnB)i s (a)not less than P(A)+P(B)...

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